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AnnaFeeh's Profile
Star Rating: [2 
]
Member Since: Sep 10, 2014
Total # Questions Provided: 1
Total # Answers Provided: 0
]
Member Since: Sep 10, 2014
Total # Questions Provided: 1
Total # Answers Provided: 0
set
10
2014
Pergunta sobre Química
1- A partícula formada por 30 prótons, 33 nêutrons e 28 elétrons é um átomo ou um íon? Se é íon, é ânion ou cátion ...
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